diff --git a/dist/cleanup/index.js b/dist/cleanup/index.js
index f72df90a4..d6256e439 100644
--- a/dist/cleanup/index.js
+++ b/dist/cleanup/index.js
@@ -20780,20 +20780,23 @@ function determineProfilePath() {
             throw new Error(`Unexpected OS '${os}'`);
     }
 }
-function setProfile(profile, creds) {
+function setProfile(profile, region, creds) {
     if (!profile) {
         return;
     }
     const profilePath = determineProfilePath();
     const profileSection = `[${profile}]`;
-    const profileCreds = creds || {};
+    const profileCreds = {
+        ...creds,
+        AWS_REGION: region
+    };
     const profileCredsString = Object.keys(profileCreds)
         .map((key) => `${key} = ${profileCreds[key]}`)
         .join('\n');
     const profileString = `${profileSection}\n${profileCredsString}\n`;
     core.debug(`Writing profile ${profile} to ${profilePath}`);
     core.debug(`Profile string:\n${profileString}`);
-    fs.appendFileSync(profilePath, profileString);
+    fs.writeFileSync(profilePath, profileString);
 }
 exports.setProfile = setProfile;
 // Retries the promise with exponential backoff if the error isRetryable up to maxRetries time.
diff --git a/dist/cleanup/src/helpers.d.ts b/dist/cleanup/src/helpers.d.ts
index f94875363..06905d24a 100644
--- a/dist/cleanup/src/helpers.d.ts
+++ b/dist/cleanup/src/helpers.d.ts
@@ -10,7 +10,7 @@ declare let sleep: typeof defaultSleep;
 export declare function withsleep(s: typeof sleep): void;
 export declare function reset(): void;
 export declare function verifyKeys(creds: Partial<Credentials> | undefined): boolean;
-export declare function setProfile(profile: string, creds?: Partial<Credentials>): void;
+export declare function setProfile(profile: string, region: string, creds?: Partial<Credentials>): void;
 export declare function retryAndBackoff<T>(fn: () => Promise<T>, isRetryable: boolean, maxRetries?: number, retries?: number, base?: number): Promise<T>;
 export declare function errorMessage(error: unknown): string;
 export declare function isDefined<T>(i: T | undefined | null): i is T;
diff --git a/dist/index.js b/dist/index.js
index 9f77698a4..6ffdb58fb 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -366,20 +366,23 @@ function determineProfilePath() {
             throw new Error(`Unexpected OS '${os}'`);
     }
 }
-function setProfile(profile, creds) {
+function setProfile(profile, region, creds) {
     if (!profile) {
         return;
     }
     const profilePath = determineProfilePath();
     const profileSection = `[${profile}]`;
-    const profileCreds = creds || {};
+    const profileCreds = {
+        ...creds,
+        AWS_REGION: region
+    };
     const profileCredsString = Object.keys(profileCreds)
         .map((key) => `${key} = ${profileCreds[key]}`)
         .join('\n');
     const profileString = `${profileSection}\n${profileCredsString}\n`;
     core.debug(`Writing profile ${profile} to ${profilePath}`);
     core.debug(`Profile string:\n${profileString}`);
-    fs.appendFileSync(profilePath, profileString);
+    fs.writeFileSync(profilePath, profileString);
 }
 exports.setProfile = setProfile;
 // Retries the promise with exponential backoff if the error isRetryable up to maxRetries time.
@@ -596,7 +599,7 @@ async function run() {
                 await credentialsClient.validateCredentials(roleCredentials.Credentials?.AccessKeyId);
             }
             await (0, helpers_1.exportAccountId)(credentialsClient, maskAccountId);
-            (0, helpers_1.setProfile)(profile, roleCredentials.Credentials);
+            (0, helpers_1.setProfile)(profile, region, roleCredentials.Credentials);
         }
         else {
             core.info('Proceeding with IAM user credentials');